D. small animal. A veterinary referral is when someone is told to go to a certain vet. Mixed animal can be exotics or large or small. Large animals are horses, cows, and other very big animals.
There is a focused loss over time of immune cell function<span> which allows ... We </span>will<span> examine the virus itself, the </span>immune system<span>, the specific effect(s) of HIV ....nor </span>can<span> infected cells containing HIV (an intracellular pathogen) be </span>properly<span> eliminated. .... long time, </span>but have not<span> yet acquired </span>AIDS<span> (there are indeed now a number of ...</span>